Claude Fable 5.2
Anthropic’s model for complex reasoning and long agent workflows. Check the limits, price a workload, and find the right access route.
- Context window
- 1M tokens
- Maximum output
- 128K tokens
- API input
- $8 / 1M tokens
- API output
- $40 / 1M tokens
Claude API model ID claude-fable-5-2
What would the same workload cost?
Enter token counts to compare standard Claude API charges for Fable 5.2 and Opus 5.5. This comparison excludes caching, Batch API discounts, fast mode, and subscription limits.
Cost = (input tokens × input rate + output tokens × output rate) ÷ 1,000,000. Prices in USD from the official model comparison.
Where to use it
Check the release announcement for access and plan terms.
Read the release announcementThe model documentation lists Claude API, Amazon Bedrock, Claude Platform on AWS, both Google Cloud management options, and Microsoft Foundry.
Check provider-specific model IDsFable and Mythos access
Anthropic describes Fable 5.2 and Mythos 5.2 as the same underlying model. Access to Mythos 5.2 requires verification. Read Anthropic’s access details.
Official references
- Anthropic release announcement for launch and access.
- Claude Platform model overview for limits, prices and model identifiers.
- What’s new in Fable 5.2 for version changes.